US Population Growth Slows as Immigration Declines Under Trump

Census data shows 0.5% growth rate in 2025 as immigration drops sharply

Jan. 27, 2026 at 7:31pm

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The U.S. population reached nearly 342 million people in 2025, but the growth rate dropped sharply from the previous year due to a decline in immigration under the Trump administration's crackdown. The 0.5% growth rate in 2025 was a significant decrease from 2024's almost 1% growth rate, which had been fueled by increased immigration. Immigration increased by only 321,000 people in 2025, compared to 2.8 million in 2024, contributing to population declines or slower growth in immigrant-heavy states like California, Florida, and New York.

Why it matters

The slowdown in population growth, driven by reduced immigration, has significant economic and political implications. It could lead to slower economic expansion, labor shortages, and changes in the distribution of congressional seats and federal funding. The data reflects the impact of the Trump administration's hardline immigration policies and the beginning of enforcement surges in major cities.

The details

The 2025 population estimates show a sharp drop in net international migration, which accounted for 84% of the nation's 3.3 million-person increase in 2024. Immigration increased by only 321,000 people in 2025, compared to 2.8 million the previous year. Births also outpaced deaths by a smaller margin, contributing to the slower growth. Several states that traditionally attract immigrants, like California, Florida, and New York, saw their populations stagnate or decline as a result of the reduced immigration.

  • The 2025 population estimates cover the period from July 2024 to July 2025, spanning the end of the Biden administration and the first half of Trump's return to the presidency.
  • The data reflects the beginning of enforcement surges in cities like Los Angeles and Portland, but does not capture the full impact of the Trump administration's crackdown on immigration that intensified later in 2025.

The players

Donald Trump

The former president who returned to the White House in 2025 and made a crackdown on immigration a central issue in his winning campaign.

Joe Biden

The Democratic president whose administration preceded Trump's return to office.

Erika McEntarfer

The former commissioner of the Bureau of Labor Statistics who was fired by the Trump administration, raising concerns about political interference in U.S. statistical agencies.

William Frey

A demographer at the Brookings Institution who commented on the population data and the Census Bureau's work.

Eric Jensen

A senior research scientist at the U.S. Census Bureau who discussed the methodology behind the population estimates.

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What they’re saying

“Many of these states are going to show even smaller growth when we get to next year.”

— William Frey, Demographer, Brookings Institution

“They do reflect recent trends we have seen in out-migration, where the numbers of people coming in is down and the numbers going out is up.”

— Eric Jensen, Senior Research Scientist, U.S. Census Bureau

What’s next

The Census Bureau will continue to monitor population trends, and the full impact of the Trump administration's immigration crackdown is expected to be reflected in next year's population estimates.

The takeaway

The slowdown in U.S. population growth, driven by a sharp decline in immigration, highlights the significant economic and political consequences of the Trump administration's hardline immigration policies. The data underscores the power of federal policies to shape demographic trends and the distribution of resources across the country.